Finding the Fourth Proportional to 18,571,574.51, 27,842,710.49 and 11,733,734.91
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Solution
The fourth proportional to 18,571,574.51, 27,842,710.49 and 11,733,734.91 is: 17,591,345.52
Step by Step Solution
- Step 1: Write the proportion equation
18,571,574.51 : 27,842,710.49 = 11,733,734.91 : x - Step 2: Convert to fraction form
18,571,574.51/27,842,710.49 = 11,733,734.91/x - Step 3: Cross multiply
18,571,574.51x = 27,842,710.49 × 11,733,734.91 - Step 4: Simplify right side
18,571,574.51x = 326,698,984,074,876.50 - Step 5: Solve for x
x = 326,698,984,074,876.50/18,571,574.51 - Step 6: Final answer
x = 17,591,345.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.